30 lines
718 B
NASM
30 lines
718 B
NASM
; Zero page utility pointers
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; ----------------------------------------------------------------------
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; Where is the snake head in video memory? Do math to calculate address
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; using pointer at tileMem,tileMem+1
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tileMem DS 2
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; Pointer to status string
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printStatusString DS 2
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; Pointer to intro string
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printIntroString DS 2
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; Pointer to screen position where to print intro string
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introScreenStart DS 2
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; Pointer to level struct
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levelPointer DS 2
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; Temporary pointer -- Use when you don't call a subroutine
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tempPointer DS 2
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; Pointer for Pointer in the NextPointer routine
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nextPointerPointer DS 2
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; Pointer to string for strlen routine
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strlenString DS 2
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; Note: Locations $90-$FF in zeropage are used by kernal
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